ἀποδιοριστέον
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
one must mark off, separate, τινά τινος Sever.Clyst.p.35D.
Spanish (DGE)
hay que separar ἕτερον ἑτέρου Seuer.Clyst.p.35.